They

Alexander Gould as Young Billy Mark Hildreth as Troy Peter LaCroix as David Parks (as Peter Lacroix) Dagmara Dominczyk as Terry Alba Desiree Zurowski as Mary Parks Jonathan Cherry as Darren Jay Brazeau as Dr. Booth Jessica Amlee as Young Julia Jodelle Ferland as Sarah Colin Foo as Chinese Chef Marc Blucas as Paul Loomis L. Harvey Gold as Professor Crowley David Abbott as Professor Adkins Laura Regan as Julia Lund Ethan Embry as Sam Burnside Jon Abrahams as Billy Parks

Scott J. Ateah Stunt Coordinator Leanne Buchanan Stunt Double Owen Walstrom Stunts Ashlea Earl Stunt Double Crystal Dalman Stunt Double Ted Field Executive Producer Rene Ohashi Director of Photography Robert Harmon Director Frank Patton III Casting Assistant Wes Craven Presenter David Linde Executive Producer Mike Beaulieu Creature Design Duane Dickinson Stunts Patrick Tatopoulos Creature Design Norman Cabrera Sculptor